KR102411584B1 - 소결 자석의 제조 방법 및 소결 자석 - Google Patents
소결 자석의 제조 방법 및 소결 자석 Download PDFInfo
- Publication number
- KR102411584B1 KR102411584B1 KR1020180125899A KR20180125899A KR102411584B1 KR 102411584 B1 KR102411584 B1 KR 102411584B1 KR 1020180125899 A KR1020180125899 A KR 1020180125899A KR 20180125899 A KR20180125899 A KR 20180125899A KR 102411584 B1 KR102411584 B1 KR 102411584B1
- Authority
- KR
- South Korea
- Prior art keywords
- fluoride
- rare earth
- powder
- sintered magnet
- magnet
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0266—Moulding; Pressing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/102—Metallic powder coated with organic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/16—Metallic particles coated with a non-metal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0293—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/35—Iron
- B22F2301/355—Rare Earth - Fe intermetallic alloys
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020180125899A KR102411584B1 (ko) | 2018-10-22 | 2018-10-22 | 소결 자석의 제조 방법 및 소결 자석 |
PCT/KR2019/013828 WO2020085738A1 (ko) | 2018-10-22 | 2019-10-21 | 소결 자석의 제조 방법 및 소결 자석 |
CN201980021163.9A CN111902898B (zh) | 2018-10-22 | 2019-10-21 | 用于制备烧结磁体的方法和烧结磁体 |
JP2020554132A JP7123469B2 (ja) | 2018-10-22 | 2019-10-21 | 焼結磁石の製造方法および焼結磁石 |
US15/734,080 US11978576B2 (en) | 2018-10-22 | 2019-10-21 | Method for preparing sintered magnet and sintered magnet |
EP19876705.5A EP3754676B1 (en) | 2018-10-22 | 2019-10-21 | Method for manufacturing sintered magnet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020180125899A KR102411584B1 (ko) | 2018-10-22 | 2018-10-22 | 소결 자석의 제조 방법 및 소결 자석 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20200045182A KR20200045182A (ko) | 2020-05-04 |
KR102411584B1 true KR102411584B1 (ko) | 2022-06-20 |
Family
ID=70331583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020180125899A KR102411584B1 (ko) | 2018-10-22 | 2018-10-22 | 소결 자석의 제조 방법 및 소결 자석 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11978576B2 (ja) |
EP (1) | EP3754676B1 (ja) |
JP (1) | JP7123469B2 (ja) |
KR (1) | KR102411584B1 (ja) |
CN (1) | CN111902898B (ja) |
WO (1) | WO2020085738A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110536285B (zh) | 2018-09-26 | 2022-09-20 | 中兴通讯股份有限公司 | 干扰控制、消息发送、转发方法、装置、通信设备及系统 |
KR102261143B1 (ko) * | 2020-07-02 | 2021-06-07 | 성림첨단산업(주) | 희토류 영구자석의 제조방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012199423A (ja) * | 2011-03-22 | 2012-10-18 | Tdk Corp | 異方性磁粉の製造方法及び異方性ボンド磁石 |
WO2013186864A1 (ja) * | 2012-06-13 | 2013-12-19 | 株式会社 日立製作所 | 焼結磁石及びその製造方法 |
JP2017002358A (ja) * | 2015-06-10 | 2017-01-05 | セイコーエプソン株式会社 | 造粒粉末および造粒粉末の製造方法 |
WO2017191866A1 (ko) * | 2016-05-02 | 2017-11-09 | 성림첨단산업(주) | 희토류 소결 자석의 제조방법 |
Family Cites Families (22)
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KR100853089B1 (ko) | 2001-07-10 | 2008-08-19 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 희토류 자석 스크랩 및/또는 슬러지의 재용해 방법 및자석용 합금 및 희토류 소결 자석 |
TWI413136B (zh) | 2005-03-23 | 2013-10-21 | Shinetsu Chemical Co | 稀土族永久磁體 |
MY141999A (en) | 2005-03-23 | 2010-08-16 | Shinetsu Chemical Co | Functionally graded rare earth permanent magnet |
JP4525425B2 (ja) | 2005-03-31 | 2010-08-18 | 株式会社日立製作所 | フッ化物コート膜形成処理液,フッ化物コート膜形成方法及び磁石 |
JP4508175B2 (ja) | 2006-09-29 | 2010-07-21 | 日立化成工業株式会社 | フッ化物コート膜形成処理液およびフッ化物コート膜形成方法 |
JP4900121B2 (ja) * | 2007-03-29 | 2012-03-21 | 日立化成工業株式会社 | フッ化物コート膜形成処理液およびフッ化物コート膜形成方法 |
US20080241513A1 (en) * | 2007-03-29 | 2008-10-02 | Matahiro Komuro | Rare earth magnet and manufacturing method thereof |
JP2010027852A (ja) | 2008-07-18 | 2010-02-04 | Daido Steel Co Ltd | R−t−b系希土類磁石の製造方法 |
JP4591631B2 (ja) | 2008-07-30 | 2010-12-01 | 日立金属株式会社 | 耐食性磁石およびその製造方法 |
JP2010238712A (ja) | 2009-03-30 | 2010-10-21 | Tdk Corp | 希土類焼結磁石の製造方法 |
JP4961454B2 (ja) | 2009-05-12 | 2012-06-27 | 株式会社日立製作所 | 希土類磁石及びこれを用いたモータ |
JP5247754B2 (ja) | 2010-03-30 | 2013-07-24 | 株式会社日立製作所 | 磁性材料及びその磁性材料を用いたモータ |
JP6047328B2 (ja) | 2012-07-31 | 2016-12-21 | 日立化成株式会社 | 焼結磁石用塗布材料 |
CN102982942A (zh) | 2012-11-19 | 2013-03-20 | 宁波科星材料科技有限公司 | 一种氟化磁性材料 |
KR101548684B1 (ko) | 2014-04-18 | 2015-09-11 | 고려대학교 산학협력단 | 희토류계 소결 자석의 제조방법 |
KR101624245B1 (ko) | 2015-01-09 | 2016-05-26 | 현대자동차주식회사 | 희토류 영구 자석 및 그 제조방법 |
CN106298135B (zh) * | 2016-08-31 | 2018-05-18 | 烟台正海磁性材料股份有限公司 | 一种R-Fe-B类烧结磁体的制造方法 |
KR102012446B1 (ko) * | 2016-10-07 | 2019-08-20 | 성림첨단산업(주) | 고성능 희토류 소결 자석의 제조방법 |
KR101995536B1 (ko) | 2016-10-07 | 2019-07-03 | 성림첨단산업(주) | 고성능 희토류 자석의 제조방법 |
KR102100759B1 (ko) | 2016-11-08 | 2020-04-14 | 주식회사 엘지화학 | 금속 분말의 제조 방법 및 금속 분말 |
KR101966785B1 (ko) | 2017-02-21 | 2019-04-09 | 한국기계연구원 | Nd-Fe-B계 자석의 제조방법 |
KR102093491B1 (ko) | 2017-11-28 | 2020-03-25 | 주식회사 엘지화학 | 소결 자석의 제조 방법 및 소결 자석 |
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2018
- 2018-10-22 KR KR1020180125899A patent/KR102411584B1/ko active IP Right Grant
-
2019
- 2019-10-21 WO PCT/KR2019/013828 patent/WO2020085738A1/ko unknown
- 2019-10-21 JP JP2020554132A patent/JP7123469B2/ja active Active
- 2019-10-21 CN CN201980021163.9A patent/CN111902898B/zh active Active
- 2019-10-21 EP EP19876705.5A patent/EP3754676B1/en active Active
- 2019-10-21 US US15/734,080 patent/US11978576B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012199423A (ja) * | 2011-03-22 | 2012-10-18 | Tdk Corp | 異方性磁粉の製造方法及び異方性ボンド磁石 |
WO2013186864A1 (ja) * | 2012-06-13 | 2013-12-19 | 株式会社 日立製作所 | 焼結磁石及びその製造方法 |
JP2017002358A (ja) * | 2015-06-10 | 2017-01-05 | セイコーエプソン株式会社 | 造粒粉末および造粒粉末の製造方法 |
WO2017191866A1 (ko) * | 2016-05-02 | 2017-11-09 | 성림첨단산업(주) | 희토류 소결 자석의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
EP3754676B1 (en) | 2023-07-12 |
JP7123469B2 (ja) | 2022-08-23 |
CN111902898A (zh) | 2020-11-06 |
EP3754676A1 (en) | 2020-12-23 |
EP3754676A4 (en) | 2021-07-07 |
WO2020085738A1 (ko) | 2020-04-30 |
US11978576B2 (en) | 2024-05-07 |
KR20200045182A (ko) | 2020-05-04 |
JP2021517365A (ja) | 2021-07-15 |
CN111902898B (zh) | 2022-09-16 |
US20210225587A1 (en) | 2021-07-22 |
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